<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2025-03-03</periodOfReport>

    <dateOfOriginalSubmission>2025-03-06</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001532961</issuerCik>
        <issuerName>NV5 Global, Inc.</issuerName>
        <issuerTradingSymbol>NVEE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001484447</rptOwnerCik>
            <rptOwnerName>Codispoti Edward H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 SOUTH PARK RD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 350</rptOwnerStreet2>
            <rptOwnerCity>HOLLYWOOD</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33021</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-03-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3562</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.39</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>64154</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares withheld by and surrendered to the issuer to satisfy tax withholding and remittance obligations that arose in connection with the vesting of the Restricted Stock (RSA) Award from March 3,2022 which vested on March 3,2025, and does not constitute a sale.</footnote>
        <footnote id="F2">NV5 Global, Inc.'s, Board of Directors authorized a 4-for-1 stock split of its common stock, effective on a split-adjusted basis on October 11, 2014. The securities beneficially owned following this reported transaction accounts for this 4-for-1 stock split.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ MaryJo OBrien, as attorney in fact</signatureName>
        <signatureDate>2025-03-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
